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The "null hypothesis" in science conforms to the status quo. Climate scientists asked themselves this very question, assuming the answer was "no," that humans have no impact on the climate. All the data they gathered, incorporated into various climate models, indicates the null hypothesis must be rejected, with a 95% level of confidence.
In other words, it appears at least 95% of the current warming trend is the result of human activity, in particular by the release of 30 billion tons (30,000,000,000) of CO2 into the atmosphere each year from fossil sources.
What else can I help you with?
Is greenhouse effect is the other name of global warming?
Strictly speaking there is no other name for global warming."The whole earth heating up" might be another name.Global warming is causing climate change, so many people think they are both the same, so they say:"Climate change is another name for global warming", but they are not really the same.
Is global warming a cause or a effect of climate change?
Global warming is an effect of climate change. Climate change refers to long-term changes in temperature, precipitation, and other atmospheric conditions. Global warming specifically refers to the increase in Earth's average surface temperature due to human activities like burning fossil fuels.
What is the relationship between the greenhouse effect and global warming?
The greenhouse effect is a natural process that warms the Earth's surface. Global warming refers to the increase in Earth's average temperature due to human activities that enhance the greenhouse effect. In other words, the greenhouse effect contributes to global warming by trapping heat in the atmosphere, leading to a rise in temperatures worldwide.
What effect does global warming have on tides?
Global warming can cause a rise in sea levels, which can lead to higher high tides and an increased risk of coastal flooding. The warming also affects ocean currents and can alter tidal patterns in some regions.
The warming of the earth from the buildup of gases in the air is?
called the greenhouse effect, where gases like carbon dioxide trap heat in the Earth's atmosphere. This leads to an overall increase in global temperatures, known as global warming, which can have numerous negative impacts on our planet's climate and ecosystems.
How does the everglades ecosystem effect the people aroumd it?
global warming
Does chlorine prevent global warming?
No, chlorine has no effect on Global Warming.
How do people have a effect on natural hazards?
no one knows global warming
Inspite of many research and studies to prevent global warming why is seems to be no effect on some people?
Research and studies do not prevent global warming. They investigate it
What is the greenhouse effect called?
the green house effect called global warming,and the global warming is increasing day-by-day.
Can the world explode by the effect of global warming?
No the warming is only a warming of the atmosphere.
Can Neptune get global warming?
Global warming is not natural, it is caused by people. Since there aren't people on Neptune, it cannot have global warming.
Does global warming have an effect on volcanos?
No, Global warming has no effect on volcanoes. It's the other way round. Volcanoes can increase global warming slightly if the emit carbon dioxide. And they can reduce global warming for a while if their dust and ash block out and reflect the sun's rays.
What effect will global warming have on Australia?
It will be bad
Is greenhouse effect is the other name of global warming?
Strictly speaking there is no other name for global warming."The whole earth heating up" might be another name.Global warming is causing climate change, so many people think they are both the same, so they say:"Climate change is another name for global warming", but they are not really the same.
Was hurricane Katrina an effect of global warming?
even though it made a big difference in many people's life in some way it is impossible to say whether it can be contributed to global warming.
What gases cause global warming and how?
Greenhouse gases (carbon dioxide and methane, mostly) cause global warming by increasing their levels in the atmosphere. This turns the benign greenhouse effect into an accelerated greenhouse effect which is causing global warming.
